Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21397955 (number)

21397955 is an odd 8-digits composite number following 21397954 and preceding 21397956. In scientific notation, it is written as 2.1397955 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 16795168 positive integers (up to 21397955) that are relatively prime to 21397955.

Interesting facts

21397955 has 8 divisors, whose sum is 26162352
The reverse of 21397955 is 55979312
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	twenty-one million three hundred ninety-seven thousand nine hundred fifty-five

Notation

Scientific notation	2.1397955 × 10^7
Engineering notation	2.1397955 × 10^6

Prime Factorization of 21397955

Prime Factorization 5 × 53 × 80747

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	21397955	Product of the distinct prime numbers

The prime factorization of 21397955 is 5 × 53 × 80747. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 8, 30, 68, 967, 558, 6881, 6228, 59442, 7042, 890498, 129833, 5632257, 9995392, 87719969, 50129102, 123496376, 230715612, 884929455, 8208291790

Basic calculations (n = 21397955)

Multiplication

n×y

n×2	42795910
n×3	64193865
n×4	85591820
n×5	106989775

Division

n÷y

n÷2	10698977.5
n÷3	7132651.6666667
n÷3	5349488.75
n÷5	4279591

Exponentiation

n^y

n²	457872478182025
n³	9.7975346838775E+21
n⁴	2.0964720627655E+29
n⁵	4.4860214857813E+36

Nth Root

^y√n

²√n	4625.7923645577
³√n	277.62426596366
⁴√n	68.013177874274
⁵√n	29.246537275771

Divisors of 21397955

1, 5, 53, 265, 80747, 403735, 4279591, 21397955

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21397954	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21397955 can be divided by 8 positive divisors. The sum of these divisors (counting 21397955) is 1, the average is 0.125.

Base conversion 21397955

Base	System	Value
2	Binary	1010001101000000111000011
3	Ternary	1111021010110212
4	Quaternary	1101220013003
5	Quinary	20434213310
6	Senary	2042344335
8	Octal	121500703
10	Decimal	21397955
12	Duodecimal	71bb0ab
16	Hexadecimal	14681c3
20	Vigesimal	6deehf
36	Base36	cqmrn

Cryptographic Hash Functions

md5	b3f257676924afd4fb537d62c9b47839
sha1	3a59db043de280cd93d298afae33219d6c187242
sha256	57b1fba303d105a81ce68ac80989f9f0dca26595dfd8414015fcdb88cf3a8dc1
sha512	b64b9355875bf195797287c2366892a1093bdcfc71b0f0231d07c59760b281ff5bc31cab9fd18d2bb65b419e38c2f0aee584fc97528e0cc132ef0f0c2cada564
ripemd-160	6757a28d6eb0648045a6f4c100f44ae7a8c3ce5c

21397955 as geometric shapes

Circle

Radius = n

Diameter	42795910
Circumference	134447316.45969
Area	1.4384488137376E+15

Sphere

Radius = n

Volume	4.1039817314881E+22
Surface area	5.7537952549504E+15
Circumference	134447316.45969

Square

Length = n

Perimeter	85591820
Area	457872478182025
Diagonal	30261278.168049

Cube

Length = n

Surface area	2747234869092150
Volume	9.7975346838775E+21
Space diagonal	37062345.238072

Equilateral Triangle

Length = n

Perimeter	64193865
Area	1.9826459889968E+14
Altitude	18531172.619036

Triangular Pyramid

Length = n

Surface area	1.9826459889968E+14
Volume	1.1546505356467E+21
Height	10087092.722683